HARD Sudoku Puzzles H11-H20

Hard Sudoku Puzzle H11	Hard Sudoku Puzzle H12
Hard Sudoku Puzzle H13	Hard Sudoku Puzzle H14
Hard Sudoku Puzzle H15	Hard Sudoku Puzzle H16
Hard Sudoku Puzzle H17	Hard Sudoku Puzzle H18
Hard Sudoku Puzzle H19	Hard Sudoku Puzzle H20

Solutions for above 10 Hard sudoku puzzles H11 to H20 can be found Here.

Objective:

Fill in the 9×9 grid so that each row, column, and 3×3 subgrid contains all of the numbers from 1 to 9, without any repetition.

Rules:

Each row must contain all the numbers from 1 to 9 without repetition.
Each column must contain all the numbers from 1 to 9 without repetition.
Each 3×3 subgrid (box) must contain all the numbers from 1 to 9 without repetition.